Home / 171,306.32-256,966.68-52,979.90

Finding the Fourth Proportional to 171,306.32, 256,966.68 and 52,979.90

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Solution

The fourth proportional to 171,306.32, 256,966.68 and 52,979.90 is: 79,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,306.32 : 256,966.68 = 52,979.90 : x
  2. Step 2: Convert to fraction form
    171,306.32/256,966.68 = 52,979.90/x
  3. Step 3: Cross multiply
    171,306.32x = 256,966.68 × 52,979.90
  4. Step 4: Simplify right side
    171,306.32x = 13,614,069,009.73
  5. Step 5: Solve for x
    x = 13,614,069,009.73/171,306.32
  6. Step 6: Final answer
    x = 79,472.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.